diff --git a/model_zoo/official/cv/faster_rcnn/eval.py b/model_zoo/official/cv/faster_rcnn/eval.py
index 866d9ba7d5..eff5ea3bb0 100644
--- a/model_zoo/official/cv/faster_rcnn/eval.py
+++ b/model_zoo/official/cv/faster_rcnn/eval.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ import numpy as np
 from pycocotools.coco import COCO
 from mindspore import context
 from mindspore.train.serialization import load_checkpoint, load_param_into_net
-from mindspore.common import set_seed
+from mindspore.common import set_seed, Parameter
 
 from src.FasterRcnn.faster_rcnn_r50 import Faster_Rcnn_Resnet50
 from src.config import config
@@ -34,16 +34,22 @@ parser = argparse.ArgumentParser(description="FasterRcnn evaluation")
 parser.add_argument("--dataset", type=str, default="coco", help="Dataset, default is coco.")
 parser.add_argument("--ann_file", type=str, default="val.json", help="Ann file, default is val.json.")
 parser.add_argument("--checkpoint_path", type=str, required=True, help="Checkpoint file path.")
+parser.add_argument("--device_target", type=str, default="Ascend",
+                    help="device where the code will be implemented, default is Ascend")
 parser.add_argument("--device_id", type=int, default=0, help="Device id, default is 0.")
 args_opt = parser.parse_args()
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
+context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.device_target, device_id=args_opt.device_id)
 
 def FasterRcnn_eval(dataset_path, ckpt_path, ann_file):
     """FasterRcnn evaluation."""
     ds = create_fasterrcnn_dataset(dataset_path, batch_size=config.test_batch_size, is_training=False)
     net = Faster_Rcnn_Resnet50(config)
     param_dict = load_checkpoint(ckpt_path)
+    if args_opt.device_target == "GPU":
+        for key, value in param_dict.items():
+            tensor = value.asnumpy().astype(np.float32)
+            param_dict[key] = Parameter(tensor, key)
     load_param_into_net(net, param_dict)
     net.set_train(False)
 
diff --git a/model_zoo/official/cv/faster_rcnn/scripts/run_distribute_train_gpu.sh b/model_zoo/official/cv/faster_rcnn/scripts/run_distribute_train_gpu.sh
new file mode 100755
index 0000000000..515073e761
--- /dev/null
+++ b/model_zoo/official/cv/faster_rcnn/scripts/run_distribute_train_gpu.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+echo "=============================================================================================================="
+echo "Please run the script as: "
+echo "sh run_distribute_train_gpu.sh DEVICE_NUM PRETRAINED_PATH"
+echo "for example: sh run_distribute_train_gpu.sh 8 /path/pretrain.ckpt"
+echo "It is better to use absolute path."
+echo "=============================================================================================================="
+
+if [ $# != 2 ]
+then
+    echo "Usage: sh run_distribute_train_gpu.sh [DEVICE_NUM] [PRETRAINED_PATH]"
+exit 1
+fi
+
+rm -rf run_distribute_train
+mkdir run_distribute_train
+cp -rf ../src/ ../train.py ./run_distribute_train
+cd run_distribute_train || exit
+
+export RANK_SIZE=$1
+PRETRAINED_PATH=$2
+echo "start training on $RANK_SIZE devices"
+
+mpirun -n $RANK_SIZE \
+    python train.py  \
+    --run_distribute=True \
+    --device_target="GPU" \
+    --device_num=$RANK_SIZE \
+    --pre_trained=$PRETRAINED_PATH  > log 2>&1 &
diff --git a/model_zoo/official/cv/faster_rcnn/scripts/run_eval_gpu.sh b/model_zoo/official/cv/faster_rcnn/scripts/run_eval_gpu.sh
new file mode 100755
index 0000000000..dd6a70e5e5
--- /dev/null
+++ b/model_zoo/official/cv/faster_rcnn/scripts/run_eval_gpu.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+if [ $# != 2 ]
+then 
+    echo "Usage: sh run_eval_gpu.sh [VALIDATION_JSON_FILE] [CHECKPOINT_PATH]"
+exit 1
+fi
+
+get_real_path(){
+  if [ "${1:0:1}" == "/" ]; then
+    echo "$1"
+  else
+    echo "$(realpath -m $PWD/$1)"
+  fi
+}
+PATH1=$(get_real_path $1)
+PATH2=$(get_real_path $2)
+echo $PATH1
+echo $PATH2
+
+if [ ! -f $PATH1 ]
+then 
+    echo "error: ANN_FILE=$PATH1 is not a file"
+exit 1
+fi 
+
+if [ ! -f $PATH2 ]
+then 
+    echo "error: CHECKPOINT_PATH=$PATH2 is not a file"
+exit 1
+fi 
+
+export DEVICE_NUM=1
+export RANK_SIZE=$DEVICE_NUM
+export DEVICE_ID=0
+export RANK_ID=0
+
+if [ -d "eval" ];
+then
+    rm -rf ./eval
+fi
+mkdir ./eval
+cp ../*.py ./eval
+cp *.sh ./eval
+cp -r ../src ./eval
+cd ./eval || exit
+env > env.log
+echo "start eval for device $DEVICE_ID"
+python eval.py --device_target="GPU" --device_id=$DEVICE_ID --ann_file=$PATH1 --checkpoint_path=$PATH2 &> log &
+cd ..
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample.py
index 3dc91ae3ef..3e9b6ab628 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,11 +19,12 @@ import mindspore.nn as nn
 from mindspore.ops import operations as P
 from mindspore.common.tensor import Tensor
 import mindspore.common.dtype as mstype
+from mindspore import context
 
 
 class BboxAssignSample(nn.Cell):
     """
-    Bbox assigner and sampler defination.
+    Bbox assigner and sampler definition.
 
     Args:
         config (dict): Config.
@@ -45,12 +46,15 @@ class BboxAssignSample(nn.Cell):
     def __init__(self, config, batch_size, num_bboxes, add_gt_as_proposals):
         super(BboxAssignSample, self).__init__()
         cfg = config
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
         self.batch_size = batch_size
 
-        self.neg_iou_thr = Tensor(cfg.neg_iou_thr, mstype.float16)
-        self.pos_iou_thr = Tensor(cfg.pos_iou_thr, mstype.float16)
-        self.min_pos_iou = Tensor(cfg.min_pos_iou, mstype.float16)
-        self.zero_thr = Tensor(0.0, mstype.float16)
+        self.neg_iou_thr = Tensor(cfg.neg_iou_thr, self.ms_type)
+        self.pos_iou_thr = Tensor(cfg.pos_iou_thr, self.ms_type)
+        self.min_pos_iou = Tensor(cfg.min_pos_iou, self.ms_type)
+        self.zero_thr = Tensor(0.0, self.ms_type)
 
         self.num_bboxes = num_bboxes
         self.num_gts = cfg.num_gts
@@ -92,9 +96,9 @@ class BboxAssignSample(nn.Cell):
         self.assigned_pos_ones = Tensor(np.array(np.ones(self.num_expected_pos), dtype=np.int32))
 
         self.check_neg_mask = Tensor(np.array(np.ones(self.num_expected_neg - self.num_expected_pos), dtype=np.bool))
-        self.range_pos_size = Tensor(np.arange(self.num_expected_pos).astype(np.float16))
-        self.check_gt_one = Tensor(np.array(-1 * np.ones((self.num_gts, 4)), dtype=np.float16))
-        self.check_anchor_two = Tensor(np.array(-2 * np.ones((self.num_bboxes, 4)), dtype=np.float16))
+        self.range_pos_size = Tensor(np.arange(self.num_expected_pos).astype(self.dtype))
+        self.check_gt_one = Tensor(np.array(-1 * np.ones((self.num_gts, 4)), dtype=self.dtype))
+        self.check_anchor_two = Tensor(np.array(-2 * np.ones((self.num_bboxes, 4)), dtype=self.dtype))
 
 
     def construct(self, gt_bboxes_i, gt_labels_i, valid_mask, bboxes, gt_valids):
@@ -129,7 +133,7 @@ class BboxAssignSample(nn.Cell):
 
         pos_index, valid_pos_index = self.random_choice_with_mask_pos(self.greater(assigned_gt_inds5, 0))
 
-        pos_check_valid = self.cast(self.greater(assigned_gt_inds5, 0), mstype.float16)
+        pos_check_valid = self.cast(self.greater(assigned_gt_inds5, 0), self.ms_type)
         pos_check_valid = self.sum_inds(pos_check_valid, -1)
         valid_pos_index = self.less(self.range_pos_size, pos_check_valid)
         pos_index = pos_index * self.reshape(self.cast(valid_pos_index, mstype.int32), (self.num_expected_pos, 1))
@@ -140,7 +144,7 @@ class BboxAssignSample(nn.Cell):
 
         neg_index, valid_neg_index = self.random_choice_with_mask_neg(self.equal(assigned_gt_inds5, 0))
 
-        num_pos = self.cast(self.logicalnot(valid_pos_index), mstype.float16)
+        num_pos = self.cast(self.logicalnot(valid_pos_index), self.ms_type)
         num_pos = self.sum_inds(num_pos, -1)
         unvalid_pos_index = self.less(self.range_pos_size, num_pos)
         valid_neg_index = self.logicaland(self.concat((self.check_neg_mask, unvalid_pos_index)), valid_neg_index)
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample_stage2.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample_stage2.py
index 5930bff74d..0370005413 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample_stage2.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/bbox_assign_sample_stage2.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,11 +19,12 @@ import mindspore.nn as nn
 import mindspore.common.dtype as mstype
 from mindspore.ops import operations as P
 from mindspore.common.tensor import Tensor
+from mindspore import context
 
 
 class BboxAssignSampleForRcnn(nn.Cell):
     """
-    Bbox assigner and sampler defination.
+    Bbox assigner and sampler definition.
 
     Args:
         config (dict): Config.
@@ -45,6 +46,9 @@ class BboxAssignSampleForRcnn(nn.Cell):
     def __init__(self, config, batch_size, num_bboxes, add_gt_as_proposals):
         super(BboxAssignSampleForRcnn, self).__init__()
         cfg = config
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
         self.batch_size = batch_size
         self.neg_iou_thr = cfg.neg_iou_thr_stage2
         self.pos_iou_thr = cfg.pos_iou_thr_stage2
@@ -83,8 +87,8 @@ class BboxAssignSampleForRcnn(nn.Cell):
         self.tile = P.Tile()
 
         # Check
-        self.check_gt_one = Tensor(np.array(-1 * np.ones((self.num_gts, 4)), dtype=np.float16))
-        self.check_anchor_two = Tensor(np.array(-2 * np.ones((self.num_bboxes, 4)), dtype=np.float16))
+        self.check_gt_one = Tensor(np.array(-1 * np.ones((self.num_gts, 4)), dtype=self.dtype))
+        self.check_anchor_two = Tensor(np.array(-2 * np.ones((self.num_bboxes, 4)), dtype=self.dtype))
 
         # Init tensor
         self.assigned_gt_inds = Tensor(np.array(-1 * np.ones(num_bboxes), dtype=np.int32))
@@ -94,18 +98,18 @@ class BboxAssignSampleForRcnn(nn.Cell):
         self.assigned_pos_ones = Tensor(np.array(np.ones(self.num_expected_pos), dtype=np.int32))
 
         self.gt_ignores = Tensor(np.array(-1 * np.ones(self.num_gts), dtype=np.int32))
-        self.range_pos_size = Tensor(np.arange(self.num_expected_pos).astype(np.float16))
+        self.range_pos_size = Tensor(np.arange(self.num_expected_pos).astype(self.dtype))
         self.check_neg_mask = Tensor(np.array(np.ones(self.num_expected_neg - self.num_expected_pos), dtype=np.bool))
-        self.bboxs_neg_mask = Tensor(np.zeros((self.num_expected_neg, 4), dtype=np.float16))
+        self.bboxs_neg_mask = Tensor(np.zeros((self.num_expected_neg, 4), dtype=self.dtype))
         self.labels_neg_mask = Tensor(np.array(np.zeros(self.num_expected_neg), dtype=np.uint8))
 
         self.reshape_shape_pos = (self.num_expected_pos, 1)
         self.reshape_shape_neg = (self.num_expected_neg, 1)
 
-        self.scalar_zero = Tensor(0.0, dtype=mstype.float16)
-        self.scalar_neg_iou_thr = Tensor(self.neg_iou_thr, dtype=mstype.float16)
-        self.scalar_pos_iou_thr = Tensor(self.pos_iou_thr, dtype=mstype.float16)
-        self.scalar_min_pos_iou = Tensor(self.min_pos_iou, dtype=mstype.float16)
+        self.scalar_zero = Tensor(0.0, dtype=self.ms_type)
+        self.scalar_neg_iou_thr = Tensor(self.neg_iou_thr, dtype=self.ms_type)
+        self.scalar_pos_iou_thr = Tensor(self.pos_iou_thr, dtype=self.ms_type)
+        self.scalar_min_pos_iou = Tensor(self.min_pos_iou, dtype=self.ms_type)
 
     def construct(self, gt_bboxes_i, gt_labels_i, valid_mask, bboxes, gt_valids):
         gt_bboxes_i = self.select(self.cast(self.tile(self.reshape(self.cast(gt_valids, mstype.int32), \
@@ -149,12 +153,12 @@ class BboxAssignSampleForRcnn(nn.Cell):
         # Get pos index
         pos_index, valid_pos_index = self.random_choice_with_mask_pos(self.greater(assigned_gt_inds5, 0))
 
-        pos_check_valid = self.cast(self.greater(assigned_gt_inds5, 0), mstype.float16)
+        pos_check_valid = self.cast(self.greater(assigned_gt_inds5, 0), self.ms_type)
         pos_check_valid = self.sum_inds(pos_check_valid, -1)
         valid_pos_index = self.less(self.range_pos_size, pos_check_valid)
         pos_index = pos_index * self.reshape(self.cast(valid_pos_index, mstype.int32), (self.num_expected_pos, 1))
 
-        num_pos = self.sum_inds(self.cast(self.logicalnot(valid_pos_index), mstype.float16), -1)
+        num_pos = self.sum_inds(self.cast(self.logicalnot(valid_pos_index), self.ms_type), -1)
         valid_pos_index = self.cast(valid_pos_index, mstype.int32)
         pos_index = self.reshape(pos_index, self.reshape_shape_pos)
         valid_pos_index = self.reshape(valid_pos_index, self.reshape_shape_pos)
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/faster_rcnn_r50.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/faster_rcnn_r50.py
index 35130768cd..ec3a8d0fb8 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/faster_rcnn_r50.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/faster_rcnn_r50.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@ from mindspore.ops import operations as P
 from mindspore.common.tensor import Tensor
 import mindspore.common.dtype as mstype
 from mindspore.ops import functional as F
+from mindspore import context
 from .resnet50 import ResNetFea, ResidualBlockUsing
 from .bbox_assign_sample_stage2 import BboxAssignSampleForRcnn
 from .fpn_neck import FeatPyramidNeck
@@ -50,6 +51,9 @@ class Faster_Rcnn_Resnet50(nn.Cell):
     """
     def __init__(self, config):
         super(Faster_Rcnn_Resnet50, self).__init__()
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
         self.train_batch_size = config.batch_size
         self.num_classes = config.num_classes
         self.anchor_scales = config.anchor_scales
@@ -157,7 +161,7 @@ class Faster_Rcnn_Resnet50(nn.Cell):
 
         self.rpn_max_num = config.rpn_max_num
 
-        self.zeros_for_nms = Tensor(np.zeros((self.rpn_max_num, 3)).astype(np.float16))
+        self.zeros_for_nms = Tensor(np.zeros((self.rpn_max_num, 3)).astype(self.dtype))
         self.ones_mask = np.ones((self.rpn_max_num, 1)).astype(np.bool)
         self.zeros_mask = np.zeros((self.rpn_max_num, 1)).astype(np.bool)
         self.bbox_mask = Tensor(np.concatenate((self.ones_mask, self.zeros_mask,
@@ -165,10 +169,10 @@ class Faster_Rcnn_Resnet50(nn.Cell):
         self.nms_pad_mask = Tensor(np.concatenate((self.ones_mask, self.ones_mask,
                                                    self.ones_mask, self.ones_mask, self.zeros_mask), axis=1))
 
-        self.test_score_thresh = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * config.test_score_thr)
-        self.test_score_zeros = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * 0)
-        self.test_box_zeros = Tensor(np.ones((self.rpn_max_num, 4)).astype(np.float16) * -1)
-        self.test_iou_thr = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * config.test_iou_thr)
+        self.test_score_thresh = Tensor(np.ones((self.rpn_max_num, 1)).astype(self.dtype) * config.test_score_thr)
+        self.test_score_zeros = Tensor(np.ones((self.rpn_max_num, 1)).astype(self.dtype) * 0)
+        self.test_box_zeros = Tensor(np.ones((self.rpn_max_num, 4)).astype(self.dtype) * -1)
+        self.test_iou_thr = Tensor(np.ones((self.rpn_max_num, 1)).astype(self.dtype) * config.test_iou_thr)
         self.test_max_per_img = config.test_max_per_img
         self.nms_test = P.NMSWithMask(config.test_iou_thr)
         self.softmax = P.Softmax(axis=1)
@@ -183,9 +187,9 @@ class Faster_Rcnn_Resnet50(nn.Cell):
 
         # Init tensor
         roi_align_index = [np.array(np.ones((config.num_expected_pos_stage2 + config.num_expected_neg_stage2, 1)) * i,
-                                    dtype=np.float16) for i in range(self.train_batch_size)]
+                                    dtype=self.dtype) for i in range(self.train_batch_size)]
 
-        roi_align_index_test = [np.array(np.ones((config.rpn_max_num, 1)) * i, dtype=np.float16) \
+        roi_align_index_test = [np.array(np.ones((config.rpn_max_num, 1)) * i, dtype=self.dtype) \
                                 for i in range(self.test_batch_size)]
 
         self.roi_align_index_tensor = Tensor(np.concatenate(roi_align_index))
@@ -276,7 +280,7 @@ class Faster_Rcnn_Resnet50(nn.Cell):
                                             self.cast(x[3], mstype.float32))
 
 
-        roi_feats = self.cast(roi_feats, mstype.float16)
+        roi_feats = self.cast(roi_feats, self.ms_type)
         rcnn_masks = self.concat(mask_tuple)
         rcnn_masks = F.stop_gradient(rcnn_masks)
         rcnn_mask_squeeze = self.squeeze(self.cast(rcnn_masks, mstype.bool_))
@@ -420,7 +424,7 @@ class Faster_Rcnn_Resnet50(nn.Cell):
         for i in range(num_levels):
             anchors = self.anchor_generators[i].grid_anchors(
                 featmap_sizes[i], self.anchor_strides[i])
-            multi_level_anchors += (Tensor(anchors.astype(np.float16)),)
+            multi_level_anchors += (Tensor(anchors.astype(self.dtype)),)
 
         return multi_level_anchors
 
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/fpn_neck.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/fpn_neck.py
index 8800518f24..551c5ef0ef 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/fpn_neck.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/fpn_neck.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,16 +22,20 @@ from mindspore.common.tensor import Tensor
 from mindspore.common import dtype as mstype
 from mindspore.common.initializer import initializer
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 def bias_init_zeros(shape):
     """Bias init method."""
-    return Tensor(np.array(np.zeros(shape).astype(np.float32)).astype(np.float16))
+    if context.get_context("device_target") == "Ascend":
+        return Tensor(np.array(np.zeros(shape).astype(np.float32)).astype(np.float16))
+    return Tensor(np.array(np.zeros(shape).astype(np.float32)))
 
 def _conv(in_channels, out_channels, kernel_size=3, stride=1, padding=0, pad_mode='pad'):
     """Conv2D wrapper."""
     shape = (out_channels, in_channels, kernel_size, kernel_size)
-    weights = initializer("XavierUniform", shape=shape, dtype=mstype.float16)
+    if context.get_context("device_target") == "Ascend":
+        weights = initializer("XavierUniform", shape=shape, dtype=mstype.float16).to_tensor()
+    else:
+        weights = initializer("XavierUniform", shape=shape, dtype=mstype.float32).to_tensor()
     shape_bias = (out_channels,)
     biass = bias_init_zeros(shape_bias)
     return nn.Conv2d(in_channels, out_channels,
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/proposal_generator.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/proposal_generator.py
index f9bcc47df4..bcbb6dcb44 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/proposal_generator.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/proposal_generator.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,9 +22,6 @@ from mindspore import Tensor
 from mindspore import context
 
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 class Proposal(nn.Cell):
     """
     Proposal subnet.
@@ -106,7 +103,11 @@ class Proposal(nn.Cell):
         self.tile = P.Tile()
         self.set_train_local(config, training=True)
 
-        self.multi_10 = Tensor(10.0, mstype.float16)
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
+
+        self.multi_10 = Tensor(10.0, self.ms_type)
 
     def set_train_local(self, config, training=True):
         """Set training flag."""
@@ -133,7 +134,10 @@ class Proposal(nn.Cell):
         self.topKv2 = P.TopK(sorted=True)
         self.topK_shape_stage2 = (self.max_num, 1)
         self.min_float_num = -65536.0
-        self.topK_mask = Tensor(self.min_float_num * np.ones(total_max_topk_input, np.float16))
+        if context.get_context("device_target") == "Ascend":
+            self.topK_mask = Tensor(self.min_float_num * np.ones(total_max_topk_input, np.float16))
+        else:
+            self.topK_mask = Tensor(self.min_float_num * np.ones(total_max_topk_input, np.float32))
 
     def construct(self, rpn_cls_score_total, rpn_bbox_pred_total, anchor_list):
         proposals_tuple = ()
@@ -164,16 +168,16 @@ class Proposal(nn.Cell):
 
             rpn_cls_score = self.reshape(rpn_cls_score, self.reshape_shape)
             rpn_cls_score = self.activation(rpn_cls_score)
-            rpn_cls_score_process = self.cast(self.squeeze(rpn_cls_score[::, 0::]), mstype.float16)
+            rpn_cls_score_process = self.cast(self.squeeze(rpn_cls_score[::, 0::]), self.ms_type)
 
-            rpn_bbox_pred_process = self.cast(self.reshape(rpn_bbox_pred, (-1, 4)), mstype.float16)
+            rpn_bbox_pred_process = self.cast(self.reshape(rpn_bbox_pred, (-1, 4)), self.ms_type)
 
             scores_sorted, topk_inds = self.topKv2(rpn_cls_score_process, self.topK_stage1[idx])
 
             topk_inds = self.reshape(topk_inds, self.topK_shape[idx])
 
             bboxes_sorted = self.gatherND(rpn_bbox_pred_process, topk_inds)
-            anchors_sorted = self.cast(self.gatherND(anchors, topk_inds), mstype.float16)
+            anchors_sorted = self.cast(self.gatherND(anchors, topk_inds), self.ms_type)
 
             proposals_decode = self.decode(anchors_sorted, bboxes_sorted)
 
@@ -188,7 +192,7 @@ class Proposal(nn.Cell):
 
         _, _, _, _, scores = self.split(proposals)
         scores = self.squeeze(scores)
-        topk_mask = self.cast(self.topK_mask, mstype.float16)
+        topk_mask = self.cast(self.topK_mask, self.ms_type)
         scores_using = self.select(masks, scores, topk_mask)
 
         _, topk_inds = self.topKv2(scores_using, self.max_num)
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rcnn.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rcnn.py
index f5a4efe792..f8e2d1d0db 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rcnn.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rcnn.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,15 +21,19 @@ from mindspore.ops import operations as P
 from mindspore.common.tensor import Tensor
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
+from mindspore import context
 
 
 class DenseNoTranpose(nn.Cell):
     """Dense method"""
     def __init__(self, input_channels, output_channels, weight_init):
         super(DenseNoTranpose, self).__init__()
-
-        self.weight = Parameter(initializer(weight_init, [input_channels, output_channels], mstype.float16))
-        self.bias = Parameter(initializer("zeros", [output_channels], mstype.float16))
+        if context.get_context("device_target") == "Ascend":
+            self.weight = Parameter(initializer(weight_init, [input_channels, output_channels], mstype.float16))
+            self.bias = Parameter(initializer("zeros", [output_channels], mstype.float16))
+        else:
+            self.weight = Parameter(initializer(weight_init, [input_channels, output_channels], mstype.float32))
+            self.bias = Parameter(initializer("zeros", [output_channels], mstype.float32))
 
         self.matmul = P.MatMul(transpose_b=False)
         self.bias_add = P.BiasAdd()
@@ -68,8 +72,11 @@ class Rcnn(nn.Cell):
                  ):
         super(Rcnn, self).__init__()
         cfg = config
-        self.rcnn_loss_cls_weight = Tensor(np.array(cfg.rcnn_loss_cls_weight).astype(np.float16))
-        self.rcnn_loss_reg_weight = Tensor(np.array(cfg.rcnn_loss_reg_weight).astype(np.float16))
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
+        self.rcnn_loss_cls_weight = Tensor(np.array(cfg.rcnn_loss_cls_weight).astype(self.dtype))
+        self.rcnn_loss_reg_weight = Tensor(np.array(cfg.rcnn_loss_reg_weight).astype(self.dtype))
         self.rcnn_fc_out_channels = cfg.rcnn_fc_out_channels
         self.target_means = target_means
         self.target_stds = target_stds
@@ -79,16 +86,16 @@ class Rcnn(nn.Cell):
         self.test_batch_size = cfg.test_batch_size
 
         shape_0 = (self.rcnn_fc_out_channels, representation_size)
-        weights_0 = initializer("XavierUniform", shape=shape_0[::-1], dtype=mstype.float16)
+        weights_0 = initializer("XavierUniform", shape=shape_0[::-1], dtype=self.ms_type).to_tensor()
         shape_1 = (self.rcnn_fc_out_channels, self.rcnn_fc_out_channels)
-        weights_1 = initializer("XavierUniform", shape=shape_1[::-1], dtype=mstype.float16)
+        weights_1 = initializer("XavierUniform", shape=shape_1[::-1], dtype=self.ms_type).to_tensor()
         self.shared_fc_0 = DenseNoTranpose(representation_size, self.rcnn_fc_out_channels, weights_0)
         self.shared_fc_1 = DenseNoTranpose(self.rcnn_fc_out_channels, self.rcnn_fc_out_channels, weights_1)
 
         cls_weight = initializer('Normal', shape=[num_classes, self.rcnn_fc_out_channels][::-1],
-                                 dtype=mstype.float16)
+                                 dtype=self.ms_type).to_tensor()
         reg_weight = initializer('Normal', shape=[num_classes * 4, self.rcnn_fc_out_channels][::-1],
-                                 dtype=mstype.float16)
+                                 dtype=self.ms_type).to_tensor()
         self.cls_scores = DenseNoTranpose(self.rcnn_fc_out_channels, num_classes, cls_weight)
         self.reg_scores = DenseNoTranpose(self.rcnn_fc_out_channels, num_classes * 4, reg_weight)
 
@@ -110,13 +117,13 @@ class Rcnn(nn.Cell):
 
         self.on_value = Tensor(1.0, mstype.float32)
         self.off_value = Tensor(0.0, mstype.float32)
-        self.value = Tensor(1.0, mstype.float16)
+        self.value = Tensor(1.0, self.ms_type)
 
         self.num_bboxes = (cfg.num_expected_pos_stage2 + cfg.num_expected_neg_stage2) * batch_size
 
         rmv_first = np.ones((self.num_bboxes, self.num_classes))
         rmv_first[:, 0] = np.zeros((self.num_bboxes,))
-        self.rmv_first_tensor = Tensor(rmv_first.astype(np.float16))
+        self.rmv_first_tensor = Tensor(rmv_first.astype(self.dtype))
 
         self.num_bboxes_test = cfg.rpn_max_num * cfg.test_batch_size
 
@@ -134,7 +141,7 @@ class Rcnn(nn.Cell):
 
         if self.training:
             bbox_weights = self.cast(self.logicaland(self.greater(labels, 0), mask), mstype.int32) * labels
-            labels = self.cast(self.onehot(labels, self.num_classes, self.on_value, self.off_value), mstype.float16)
+            labels = self.cast(self.onehot(labels, self.num_classes, self.on_value, self.off_value), self.ms_type)
             bbox_targets = self.tile(self.expandims(bbox_targets, 1), (1, self.num_classes, 1))
 
             loss, loss_cls, loss_reg, loss_print = self.loss(x_cls, x_reg, bbox_targets, bbox_weights, labels, mask)
@@ -149,12 +156,12 @@ class Rcnn(nn.Cell):
         loss_print = ()
         loss_cls, _ = self.loss_cls(cls_score, labels)
 
-        weights = self.cast(weights, mstype.float16)
+        weights = self.cast(weights, self.ms_type)
         loss_cls = loss_cls * weights
         loss_cls = self.sum_loss(loss_cls, (0,)) / self.sum_loss(weights, (0,))
 
         bbox_weights = self.cast(self.onehot(bbox_weights, self.num_classes, self.on_value, self.off_value),
-                                 mstype.float16)
+                                 self.ms_type)
         bbox_weights = bbox_weights * self.rmv_first_tensor
 
         pos_bbox_pred = self.reshape(bbox_pred, (self.num_bboxes, -1, 4))
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/resnet50.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/resnet50.py
index f52be4ac4b..cf8f8e8387 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/resnet50.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/resnet50.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,12 +22,11 @@ from mindspore.ops import functional as F
 from mindspore import context
 
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 def weight_init_ones(shape):
     """Weight init."""
-    return Tensor(np.array(np.ones(shape).astype(np.float32) * 0.01).astype(np.float16))
+    if context.get_context("device_target") == "Ascend":
+        return Tensor(np.array(np.ones(shape).astype(np.float32) * 0.01).astype(np.float16))
+    return Tensor(np.array(np.ones(shape).astype(np.float32) * 0.01))
 
 
 def _conv(in_channels, out_channels, kernel_size=3, stride=1, padding=0, pad_mode='pad'):
@@ -41,11 +40,12 @@ def _conv(in_channels, out_channels, kernel_size=3, stride=1, padding=0, pad_mod
 
 def _BatchNorm2dInit(out_chls, momentum=0.1, affine=True, use_batch_statistics=True):
     """Batchnorm2D wrapper."""
-    gamma_init = Tensor(np.array(np.ones(out_chls)).astype(np.float16))
-    beta_init = Tensor(np.array(np.ones(out_chls) * 0).astype(np.float16))
-    moving_mean_init = Tensor(np.array(np.ones(out_chls) * 0).astype(np.float16))
-    moving_var_init = Tensor(np.array(np.ones(out_chls)).astype(np.float16))
-
+    _mode_16 = bool(context.get_context("device_target") == "Ascend")
+    dtype = np.float16 if _mode_16 else np.float32
+    gamma_init = Tensor(np.array(np.ones(out_chls)).astype(dtype))
+    beta_init = Tensor(np.array(np.ones(out_chls) * 0).astype(dtype))
+    moving_mean_init = Tensor(np.array(np.ones(out_chls) * 0).astype(dtype))
+    moving_var_init = Tensor(np.array(np.ones(out_chls)).astype(dtype))
     return nn.BatchNorm2d(out_chls, momentum=momentum, affine=affine, gamma_init=gamma_init,
                           beta_init=beta_init, moving_mean_init=moving_mean_init,
                           moving_var_init=moving_var_init, use_batch_statistics=use_batch_statistics)
diff --git a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rpn.py b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rpn.py
index 6db6e6b18f..218e32b32c 100644
--- a/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rpn.py
+++ b/model_zoo/official/cv/faster_rcnn/src/FasterRcnn/rpn.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@ import numpy as np
 import mindspore.nn as nn
 import mindspore.common.dtype as mstype
 from mindspore.ops import operations as P
-from mindspore import Tensor
+from mindspore import Tensor, context
 from mindspore.ops import functional as F
 from mindspore.common.initializer import initializer
 from .bbox_assign_sample import BboxAssignSample
@@ -100,6 +100,9 @@ class RPN(nn.Cell):
                  cls_out_channels):
         super(RPN, self).__init__()
         cfg_rpn = config
+        _mode_16 = bool(context.get_context("device_target") == "Ascend")
+        self.dtype = np.float16 if _mode_16 else np.float32
+        self.ms_type = mstype.float16 if _mode_16 else mstype.float32
         self.num_bboxes = cfg_rpn.num_bboxes
         self.slice_index = ()
         self.feature_anchor_shape = ()
@@ -114,7 +117,7 @@ class RPN(nn.Cell):
         self.batch_size = batch_size
         self.test_batch_size = cfg_rpn.test_batch_size
         self.num_layers = 5
-        self.real_ratio = Tensor(np.ones((1, 1)).astype(np.float16))
+        self.real_ratio = Tensor(np.ones((1, 1)).astype(self.dtype))
 
         self.rpn_convs_list = nn.layer.CellList(self._make_rpn_layer(self.num_layers, in_channels, feat_channels,
                                                                      num_anchors, cls_out_channels))
@@ -123,15 +126,15 @@ class RPN(nn.Cell):
         self.reshape = P.Reshape()
         self.concat = P.Concat(axis=0)
         self.fill = P.Fill()
-        self.placeh1 = Tensor(np.ones((1,)).astype(np.float16))
+        self.placeh1 = Tensor(np.ones((1,)).astype(self.dtype))
 
         self.trans_shape = (0, 2, 3, 1)
 
         self.reshape_shape_reg = (-1, 4)
         self.reshape_shape_cls = (-1,)
-        self.rpn_loss_reg_weight = Tensor(np.array(cfg_rpn.rpn_loss_reg_weight).astype(np.float16))
-        self.rpn_loss_cls_weight = Tensor(np.array(cfg_rpn.rpn_loss_cls_weight).astype(np.float16))
-        self.num_expected_total = Tensor(np.array(cfg_rpn.num_expected_neg * self.batch_size).astype(np.float16))
+        self.rpn_loss_reg_weight = Tensor(np.array(cfg_rpn.rpn_loss_reg_weight).astype(self.dtype))
+        self.rpn_loss_cls_weight = Tensor(np.array(cfg_rpn.rpn_loss_cls_weight).astype(self.dtype))
+        self.num_expected_total = Tensor(np.array(cfg_rpn.num_expected_neg * self.batch_size).astype(self.dtype))
         self.num_bboxes = cfg_rpn.num_bboxes
         self.get_targets = BboxAssignSample(cfg_rpn, self.batch_size, self.num_bboxes, False)
         self.CheckValid = P.CheckValid()
@@ -142,9 +145,9 @@ class RPN(nn.Cell):
         self.cast = P.Cast()
         self.tile = P.Tile()
         self.zeros_like = P.ZerosLike()
-        self.loss = Tensor(np.zeros((1,)).astype(np.float16))
-        self.clsloss = Tensor(np.zeros((1,)).astype(np.float16))
-        self.regloss = Tensor(np.zeros((1,)).astype(np.float16))
+        self.loss = Tensor(np.zeros((1,)).astype(self.dtype))
+        self.clsloss = Tensor(np.zeros((1,)).astype(self.dtype))
+        self.regloss = Tensor(np.zeros((1,)).astype(self.dtype))
 
     def _make_rpn_layer(self, num_layers, in_channels, feat_channels, num_anchors, cls_out_channels):
         """
@@ -164,18 +167,18 @@ class RPN(nn.Cell):
 
         shp_weight_conv = (feat_channels, in_channels, 3, 3)
         shp_bias_conv = (feat_channels,)
-        weight_conv = initializer('Normal', shape=shp_weight_conv, dtype=mstype.float16)
-        bias_conv = initializer(0, shape=shp_bias_conv, dtype=mstype.float16)
+        weight_conv = initializer('Normal', shape=shp_weight_conv, dtype=self.ms_type).to_tensor()
+        bias_conv = initializer(0, shape=shp_bias_conv, dtype=self.ms_type).to_tensor()
 
         shp_weight_cls = (num_anchors * cls_out_channels, feat_channels, 1, 1)
         shp_bias_cls = (num_anchors * cls_out_channels,)
-        weight_cls = initializer('Normal', shape=shp_weight_cls, dtype=mstype.float16)
-        bias_cls = initializer(0, shape=shp_bias_cls, dtype=mstype.float16)
+        weight_cls = initializer('Normal', shape=shp_weight_cls, dtype=self.ms_type).to_tensor()
+        bias_cls = initializer(0, shape=shp_bias_cls, dtype=self.ms_type).to_tensor()
 
         shp_weight_reg = (num_anchors * 4, feat_channels, 1, 1)
         shp_bias_reg = (num_anchors * 4,)
-        weight_reg = initializer('Normal', shape=shp_weight_reg, dtype=mstype.float16)
-        bias_reg = initializer(0, shape=shp_bias_reg, dtype=mstype.float16)
+        weight_reg = initializer('Normal', shape=shp_weight_reg, dtype=self.ms_type).to_tensor()
+        bias_reg = initializer(0, shape=shp_bias_reg, dtype=self.ms_type).to_tensor()
 
         for i in range(num_layers):
             rpn_layer.append(RpnRegClsBlock(in_channels, feat_channels, num_anchors, cls_out_channels, \
@@ -248,9 +251,9 @@ class RPN(nn.Cell):
                                                                                            mstype.bool_),
                                                                                  anchor_using_list, gt_valids_i)
 
-                bbox_weight = self.cast(bbox_weight, mstype.float16)
-                label = self.cast(label, mstype.float16)
-                label_weight = self.cast(label_weight, mstype.float16)
+                bbox_weight = self.cast(bbox_weight, self.ms_type)
+                label = self.cast(label, self.ms_type)
+                label_weight = self.cast(label_weight, self.ms_type)
 
                 for j in range(self.num_layers):
                     begin = self.slice_index[j]
diff --git a/model_zoo/official/cv/faster_rcnn/src/config.py b/model_zoo/official/cv/faster_rcnn/src/config.py
index a2a63947fb..63d727a25b 100644
--- a/model_zoo/official/cv/faster_rcnn/src/config.py
+++ b/model_zoo/official/cv/faster_rcnn/src/config.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -113,8 +113,6 @@ config = ed({
 
     # LR
     "base_lr": 0.02,
-    "base_step": 58633,
-    "total_epoch": 13,
     "warmup_step": 500,
     "warmup_ratio": 1/3.0,
     "sgd_step": [8, 11],
diff --git a/model_zoo/official/cv/faster_rcnn/src/dataset.py b/model_zoo/official/cv/faster_rcnn/src/dataset.py
index 131ac86c0a..ebc7ca0fc5 100644
--- a/model_zoo/official/cv/faster_rcnn/src/dataset.py
+++ b/model_zoo/official/cv/faster_rcnn/src/dataset.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@ import numpy as np
 from numpy import random
 
 import mmcv
+from mindspore import context
 import mindspore.dataset as de
 import mindspore.dataset.vision.c_transforms as C
 from mindspore.mindrecord import FileWriter
@@ -213,7 +214,7 @@ def impad_to_multiple_column(img, img_shape, gt_bboxes, gt_label, gt_num):
 
 def imnormalize_column(img, img_shape, gt_bboxes, gt_label, gt_num):
     """imnormalize operation for image"""
-    img_data = mmcv.imnormalize(img, [123.675, 116.28, 103.53], [58.395, 57.12, 57.375], True)
+    img_data = mmcv.imnormalize(img, np.array([123.675, 116.28, 103.53]), np.array([58.395, 57.12, 57.375]), True)
     img_data = img_data.astype(np.float32)
     return (img_data, img_shape, gt_bboxes, gt_label, gt_num)
 
@@ -232,9 +233,14 @@ def flip_column(img, img_shape, gt_bboxes, gt_label, gt_num):
 def transpose_column(img, img_shape, gt_bboxes, gt_label, gt_num):
     """transpose operation for image"""
     img_data = img.transpose(2, 0, 1).copy()
-    img_data = img_data.astype(np.float16)
-    img_shape = img_shape.astype(np.float16)
-    gt_bboxes = gt_bboxes.astype(np.float16)
+    if context.get_context("device_target") == "Ascend":
+        img_data = img_data.astype(np.float16)
+        img_shape = img_shape.astype(np.float16)
+        gt_bboxes = gt_bboxes.astype(np.float16)
+    else:
+        img_data = img_data.astype(np.float32)
+        img_shape = img_shape.astype(np.float32)
+        gt_bboxes = gt_bboxes.astype(np.float32)
     gt_label = gt_label.astype(np.int32)
     gt_num = gt_num.astype(np.bool)
 
diff --git a/model_zoo/official/cv/faster_rcnn/src/lr_schedule.py b/model_zoo/official/cv/faster_rcnn/src/lr_schedule.py
index d46510a718..d5440246de 100644
--- a/model_zoo/official/cv/faster_rcnn/src/lr_schedule.py
+++ b/model_zoo/official/cv/faster_rcnn/src/lr_schedule.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -25,12 +25,10 @@ def a_cosine_learning_rate(current_step, base_lr, warmup_steps, decay_steps):
     learning_rate = (1 + math.cos(base * math.pi)) / 2 * base_lr
     return learning_rate
 
-def dynamic_lr(config, rank_size=1):
+def dynamic_lr(config, steps_per_epoch):
     """dynamic learning rate generator"""
     base_lr = config.base_lr
-
-    base_step = (config.base_step // rank_size) + rank_size
-    total_steps = int(base_step * config.total_epoch)
+    total_steps = steps_per_epoch * config.epoch_size
     warmup_steps = int(config.warmup_step)
     lr = []
     for i in range(total_steps):
diff --git a/model_zoo/official/cv/faster_rcnn/src/network_define.py b/model_zoo/official/cv/faster_rcnn/src/network_define.py
index 658d5c0876..5cbe0abfe0 100644
--- a/model_zoo/official/cv/faster_rcnn/src/network_define.py
+++ b/model_zoo/official/cv/faster_rcnn/src/network_define.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@ import mindspore.nn as nn
 from mindspore.common.tensor import Tensor
 from mindspore.ops import functional as F
 from mindspore.ops import composite as C
-from mindspore import ParameterTuple
+from mindspore import ParameterTuple, context
 from mindspore.train.callback import Callback
 from mindspore.nn.wrap.grad_reducer import DistributedGradReducer
 
@@ -167,7 +167,10 @@ class TrainOneStepCell(nn.Cell):
         self.optimizer = optimizer
         self.grad = C.GradOperation(get_by_list=True,
                                     sens_param=True)
-        self.sens = Tensor((np.ones((1,)) * sens).astype(np.float16))
+        if context.get_context("device_target") == "Ascend":
+            self.sens = Tensor((np.ones((1,)) * sens).astype(np.float16))
+        else:
+            self.sens = Tensor((np.ones((1,)) * sens).astype(np.float32))
         self.reduce_flag = reduce_flag
         if reduce_flag:
             self.grad_reducer = DistributedGradReducer(optimizer.parameters, mean, degree)
diff --git a/model_zoo/official/cv/faster_rcnn/train.py b/model_zoo/official/cv/faster_rcnn/train.py
index bcdbbfe310..67b52eb28d 100644
--- a/model_zoo/official/cv/faster_rcnn/train.py
+++ b/model_zoo/official/cv/faster_rcnn/train.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,10 +19,11 @@ import os
 import time
 import argparse
 import ast
+import numpy as np
 
 import mindspore.common.dtype as mstype
-from mindspore import context, Tensor
-from mindspore.communication.management import init
+from mindspore import context, Tensor, Parameter
+from mindspore.communication.management import init, get_rank, get_group_size
 from mindspore.train.callback import CheckpointConfig, ModelCheckpoint, TimeMonitor
 from mindspore.train import Model
 from mindspore.context import ParallelMode
@@ -42,20 +43,30 @@ parser = argparse.ArgumentParser(description="FasterRcnn training")
 parser.add_argument("--run_distribute", type=ast.literal_eval, default=False, help="Run distribute, default: false.")
 parser.add_argument("--dataset", type=str, default="coco", help="Dataset name, default: coco.")
 parser.add_argument("--pre_trained", type=str, default="", help="Pretrained file path.")
+parser.add_argument("--device_target", type=str, default="Ascend",
+                    help="device where the code will be implemented, default is Ascend")
 parser.add_argument("--device_id", type=int, default=0, help="Device id, default: 0.")
 parser.add_argument("--device_num", type=int, default=1, help="Use device nums, default: 1.")
 parser.add_argument("--rank_id", type=int, default=0, help="Rank id, default: 0.")
 args_opt = parser.parse_args()
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
+context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.device_target, device_id=args_opt.device_id)
 
 if __name__ == '__main__':
     if args_opt.run_distribute:
-        rank = args_opt.rank_id
-        device_num = args_opt.device_num
-        context.set_auto_parallel_context(device_num=device_num, parallel_mode=ParallelMode.DATA_PARALLEL,
-                                          gradients_mean=True)
-        init()
+        if args_opt.device_target == "Ascend":
+            rank = args_opt.rank_id
+            device_num = args_opt.device_num
+            context.set_auto_parallel_context(device_num=device_num, parallel_mode=ParallelMode.DATA_PARALLEL,
+                                              gradients_mean=True)
+            init()
+        else:
+            init("nccl")
+            context.reset_auto_parallel_context()
+            rank = get_rank()
+            device_num = get_group_size()
+            context.set_auto_parallel_context(device_num=device_num, parallel_mode=ParallelMode.DATA_PARALLEL,
+                                              gradients_mean=True)
     else:
         rank = 0
         device_num = 1
@@ -116,10 +127,14 @@ if __name__ == '__main__':
         for item in list(param_dict.keys()):
             if not item.startswith('backbone'):
                 param_dict.pop(item)
+        if args_opt.device_target == "GPU":
+            for key, value in param_dict.items():
+                tensor = value.asnumpy().astype(np.float32)
+                param_dict[key] = Parameter(tensor, key)
         load_param_into_net(net, param_dict)
 
     loss = LossNet()
-    lr = Tensor(dynamic_lr(config, rank_size=device_num), mstype.float32)
+    lr = Tensor(dynamic_lr(config, dataset_size), mstype.float32)
 
     opt = SGD(params=net.trainable_params(), learning_rate=lr, momentum=config.momentum,
               weight_decay=config.weight_decay, loss_scale=config.loss_scale)
@@ -141,4 +156,4 @@ if __name__ == '__main__':
         cb += [ckpoint_cb]
 
     model = Model(net)
-    model.train(config.epoch_size, dataset, callbacks=cb)
+    model.train(config.epoch_size, dataset, callbacks=cb, dataset_sink_mode=False)